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Heat & Glo • PIER/ST/L&RCOR-HVB-CE • 2068-900 Rev. H • 6/07
23
Figure 12. Flueing with Two 90° Elbows
H
1
H
V
V
V
1
H
NATURAL GAS
FLUEING WITH TWO 90° ELBOWS
V (FT.) H + H
1
(FT.)
1' MIN. (305mm) 3' MAX. (914mm)
2' MIN. (610mm) 6' MAX. (1.83m)
3' MIN. (914mm) 9' MAX. (2.7m)
4' MIN. (1.22m) 12' MAX. (3.6m)
5’ MIN. (1.5m) 15’ MAX. (4.5m)
V + H + H
1
= 40’ MAX. (12.2m)
PROPANE / BUTANE
FLUEING WITH TWO 90° ELBOWS
V (FT.) H + H
1
(FT.)
1' MIN. (305mm) 2' MAX. (610mm)
2' MIN. (610mm) 4' MAX. (1.22m)
3' MIN. (914mm) 6’ MAX. (1.83m)
4' MIN. (1.22m) 8' MAX. (2.4m)
5’ MIN. (1.5m) 10' MAX. (3.0m)
V + H + H1 = 40’ MAX. (12.2m)
NATURAL GAS
FLUEING WITH TWO 90° ELBOWS
V + V
1
(FT.) H (FT.)
1' MIN. (305mm) 3' MAX. (914mm)
2' MIN. (610mm) 6' MAX. (1.83m)
3' MIN. (914mm) 9' MAX. (2.7m)
4' MIN. (1.22m) 12' MAX. (3.6m)
5’ MIN. (1.5m) 15’ MAX. (4.5m)
V + V
1
+ H = 40’ MAX. (12.2m)
PROPANE / BUTANE
FLUEING WITH TWO 90° ELBOWS
V + V
1
(FT.) H (FT.)
1' MIN. (305mm) 2' MAX. (610mm)
2' MIN. (610mm) 4' MAX. (1.22m)
3' MIN. (914mm) 6’ MAX. (1.83m)
4' MIN. (1.22m) 8' MAX. (2.4m)
5’ MIN. (1.5m) 10' MAX. (3.0m)
V + V
1
+ H = 40’ MAX. (12.2m)
H + H
1
= 15’ MAX. (4.5m)
H + H
1
= 10’ MAX. (3.0m)